Patent No. EP1893734 (titled "Near Anhydrous Consumer Products Comprising Fragranced Aminoplast Capsules") was filed by Firmenich on May 31, 2006. The application was issued on Mar 20, 2019.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| HENKEL | Dec 19, 2019 | - |
| THE PROCTER & GAMBLE | Dec 19, 2019 | GILL JENNINGS & EVERY |
| UNILEVER UNILEVER | Dec 18, 2019 | OATES |
| GIVAUDAN | Dec 10, 2019 | RENTSCH PARTNER |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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